diff --git a/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeFileEditorListener.kt b/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeFileEditorListener.kt
index 879f4cfd4306..2d817ddb955c 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeFileEditorListener.kt
+++ b/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeFileEditorListener.kt
@@ -19,12 +19,12 @@ class ReaderModeFileEditorListener : FileEditorManagerListener {
   companion object {
     private var EP_READER_MODE_PROVIDER = ExtensionPointName<ReaderModeProvider>("com.intellij.readerModeProvider")
 
-    fun applyReaderMode(project: Project, selectedEditor: FileEditor?, alreadyOpenedFilesOnly: Boolean = false) {
+    fun applyReaderMode(project: Project, selectedEditor: FileEditor?, fileIsOpenAlready: Boolean = false) {
       if (selectedEditor is PsiAwareTextEditorImpl) {
         val file = selectedEditor.file
         if (matchMode(project, file)) {
           EP_READER_MODE_PROVIDER.extensions().forEach {
-            it.applyModeChanged(project, selectedEditor.editor, instance(project).enabled, alreadyOpenedFilesOnly)
+            it.applyModeChanged(project, selectedEditor.editor, instance(project).enabled, fileIsOpenAlready)
           }
         }
       }
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeProvider.kt b/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeProvider.kt
index fe1f6a47da31..fd2c1da24904 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeProvider.kt
+++ b/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeProvider.kt
@@ -8,5 +8,5 @@ import com.intellij.openapi.project.Project
  * Use it to provide an activity that should be applied for editor in Read Mode
  */
 interface ReaderModeProvider {
-  fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, alreadyOpenedFilesOnly: Boolean) {}
+  fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, fileIsOpenAlready: Boolean) {}
 }
\ No newline at end of file
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeProviders.kt b/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeProviders.kt
index bee4b3e395f2..7102cdaa8b68 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeProviders.kt
+++ b/platform/lang-impl/src/com/intellij/codeInsight/actions/ReaderModeProviders.kt
@@ -19,8 +19,7 @@ import com.intellij.xml.breadcrumbs.BreadcrumbsForceShownSettings
 import com.intellij.xml.breadcrumbs.BreadcrumbsInitializingActivity
 
 class BreadcrumbsReaderModeProvider : ReaderModeProvider {
-  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean,
-                                alreadyOpenedFilesOnly: Boolean) {
+  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, fileIsOpenAlready: Boolean) {
     val showBreadcrumbs = (readerMode && ReaderModeSettings.instance(project).showBreadcrumbs)
                           || EditorSettingsExternalizable.getInstance().isBreadcrumbsShown
     BreadcrumbsForceShownSettings.setForcedShown(showBreadcrumbs, editor)
@@ -29,8 +28,8 @@ class BreadcrumbsReaderModeProvider : ReaderModeProvider {
 }
 
 class HighlightingReaderModeProvider : ReaderModeProvider {
-  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, alreadyOpenedFilesOnly: Boolean) {
-    if (!alreadyOpenedFilesOnly) return
+  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, fileIsOpenAlready: Boolean) {
+    if (!fileIsOpenAlready) return
 
     val highlighting =
       if (readerMode && ReaderModeSettings.instance(project).hideWarnings) FileHighlightingSetting.SKIP_INSPECTION
@@ -53,7 +52,7 @@ class ReaderModeHighlightingSettingsProvider : DefaultHighlightingSettingProvide
 }
 
 class LigaturesReaderModeProvider : ReaderModeProvider {
-  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, alreadyOpenedFilesOnly: Boolean) {
+  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, fileIsOpenAlready: Boolean) {
     val scheme = editor.colorsScheme
     val preferences = scheme.fontPreferences
     scheme.fontPreferences =
@@ -67,7 +66,7 @@ class LigaturesReaderModeProvider : ReaderModeProvider {
 
 
 class FontReaderModeProvider : ReaderModeProvider {
-  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, alreadyOpenedFilesOnly: Boolean) {
+  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, fileIsOpenAlready: Boolean) {
     if (readerMode) {
       if (ReaderModeSettings.instance(project).increaseLineSpacing) {
         setLineSpacing(editor, 1.4f)
@@ -86,13 +85,13 @@ class FontReaderModeProvider : ReaderModeProvider {
 }
 
 class DocsRenderingReaderModeProvider : ReaderModeProvider {
-  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, alreadyOpenedFilesOnly: Boolean) {
+  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, fileIsOpenAlready: Boolean) {
     DocRenderManager.setDocRenderingEnabled(editor, if (readerMode) ReaderModeSettings.instance(project).showRenderedDocs else null)
   }
 }
 
 class InlaysReaderModeProvider : ReaderModeProvider {
-  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, alreadyOpenedFilesOnly: Boolean) {
+  override fun applyModeChanged(project: Project, editor: Editor, readerMode: Boolean, fileIsOpenAlready: Boolean) {
     InlayHintsPassFactory.setHintsEnabled(editor, readerMode && ReaderModeSettings.instance(project).showInlaysHints)
   }
 }
\ No newline at end of file